FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

koach ko'-akh — or (Dan. 11:6) kowach {ko'-akh}; from an unused root meaning to be firm; vigor, literally (force, in a good or a bad sense) or figuratively (capacity, means, produce); also (from its hardiness) a large lizard: -ability, able, chameleon, force, fruits, might, power(-ful), strength, substance, wealth.